net national welfare

...The factors that show the discrepancy between the two are: (1) environmental deterioration, as seen in pollution and traffic accidents, reduces welfare; (2) military, police, general administrative expenses, pollution prevention expenses, commuting expenses, etc. are included in national income, but these are defensive offsetting factors against the decline in welfare and do not increase welfare; (3) leisure time and housework by housewives are treated as activities outside the market and are not included in the increase in welfare. The concept of net national welfare (NNW) is based on this idea in a situation where the pollution problem is intensifying, and starts from the concept of national income, subtracts factors such as (2) that are included in national income, evaluates factors such as (1) that occur independently of national income in monetary terms, and adds factors such as (3) that are not included in national income in monetary terms. Furthermore, investments included in national income are also excluded because they do not directly relate to welfare, and instead, services resulting from social capital related to life and personal durable capital goods are evaluated in monetary terms and added. ...

*Some explanations of terms that refer to "net national welfare" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…両者の乖離（かいり）を示す要因として，(1)公害･交通事故などにみられるように，環境の悪化が福祉を低下させている，(2)軍備･警察･一般行政費･公害防除費･通勤費などは国民所得に計上されているが，これらは福祉の低下に対する防御的相殺要因であって，福祉を高めない，(3)余暇，主婦の家事労働などは市場外の活動として扱われ，福祉の増大に計上されていない，といった点が指摘できる。国民純福祉net national welfare(NNW)の概念は，公害問題の激化といった状況下，このような考え方に立って，国民所得の概念から出発して，国民所得の中に含まれている(2)のような要因を差し引き，国民所得と無関係に発生している(1)のような要因を貨幣的に評価して差し引き，国民所得に含まれていない(3)のような要因を貨幣的に評価して加算するという方法をとる。さらに国民所得に含まれる投資も直接福祉に関係しないので除かれ，代りに生活関連社会資本や個人耐久資本財から生ずるサービスが貨幣的に評価されて加算される。…

※「net national welfare」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報